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Autor Fernández Tejero, Carlos |
Documentos disponibles escritos por este autor (44)
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The demixing transition of a binary fluid mixture of additive hard spheres is analyzed for different size asymmetries by starting from the exact low-density expansion of the pressure. Already within the second virial approximation the fluid sepa[...]![]()
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Exact analytical expressions for the excluded volume and the second virial coefficient of the D-dimensional hard Gaussian overlap model are obtained. The functional form of the excluded volume is proven to be independent of D provided D greater-[...]![]()
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The stability of the hard-sphere icosahedral quasilattice is analyzed using the differential formulation of the generalized effective liquid approximation. We find that the icosahedral quasilattice is metastable with respect to the hard-sphere c[...]![]()
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The structure of the liquid surface is shown to lead to the appearance of new surface waves which are studied both in the high-frequency elastic domain and in the low-frequency hydrodynamic domain. The experimental observation of these surface w[...]![]()
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Effective interactions in soft-matter physics result from a formal contraction of an initial multicomponent system, composed of mesoscopic and small particles, into an effective one-component description. By tracing out in the partition function[...]![]()
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Ruiz, G. ; Anta Montalvo, Juan Antonio ; Fernández Tejero, Carlos | Institute of Physics | 2003-12-10The low-density phase diagrams of charge-stabilized colloidal suspensions of the Derjaguin-Landau-Verwey-Overbeek theory with an approximate effective one-component Hamiltonian given by the volume term and effective pair interactions, and of the[...]![]()
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The Wilson-Frenkel growth law of colloidal crystals formed in charge-stabilized dispersions of latex spheres is investigated theoretically on the basis of variational free-energy estimates. We find, in agreement with recent experimental results,[...]![]()
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Fernández Tejero, Carlos ; Lutsko, J. F. ; Colot, J. L. ; Baus, Marc | American Physical Society | 1992-09-15The thermodynamic properties of the Yukawa model for colloidal suspensions are determined theoretically from the Rogers-Young integral equation for the fluid phase and from a recently introduced van der Waals-like theory for the solid phases. Ve[...]![]()
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In analogy with the well-known theory for fluids, a van der Waals theory for solids is proposed. It is shown that, in agreement with recent predictions, the competition between the van der Waals loop of the fluid and the van der Waals loop of th[...]![]()
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López de Haro, Mariano ; Fernández Tejero, Carlos ; Santos, Andrés ; Yuste, Santos B. ; Fiumara, Giacomo ; Saija, Franz | American Institute of Physics | 2015-01-07The problem of demixing in the Asakura-Oosawa colloid-polymer model is considered. The critical constants are computed using truncated virial expansions up to fifth order. While the exact analytical results for the second and third virial coeffi[...]![]()
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The dispersion relations for surface waves on a planar liquid surface are obtained from first principles. The high-frequency elastic, low-frequency hydrodynamic and intermediate viscoelastic regimes are investigated separately. It is shown that [...]![]()
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The phase behavior of disk colloids, embedded in a two-dimensional fluid matrix that undergoes a first-order phase transition, is studied in the complete wetting regime where the thermodynamically metastable fluid phase is stabilized at the surf[...]![]()
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A statistical mechanical treatment of equilibrium elasticity of a uniform fluid phase based on density functional theory is presented. Bulk expressions for the stress tensor and the zero-frequency elastic moduli tensor involving the direct corre[...]